Category: Image Production-47 Using a fixed kVp exposure chart, a radiograph of an abdomen measuring 25 cm is taken using 80 kVp and 40 mAs. If another exposure is made on a part 35 cm thick, what new mAs would produce the same optical density?

Category: Pilot-5 Irradiation of the embryo during the first week of development to equivalent doses exceeding 200 mSv frequently results in:

Category: Image Production-51 When an AEC system is used, the amount of preset radiation detection values can be adjusted by the:

Category: Patient Care-20 Which of the following is the preferred scheduling sequence?

Category: Procedures-8 The three parts of the small intestine are the:

Category: Patient Care-17 The condition of slow heart rate, below 60 beats/min, is termed:

Category: Procedures-36 For a SMV projection of the zygomatic arch, which positioning plane should be as parallel to the IR as possible?

Category: Image Production-28 You have radiographed an AP abdomen of your patient on a 14 x 17 film/screen IR. The radiologist requests an AP spot view of L4-L5 on an 8 x 10. If all the exposure factors remain the same, the resultant spot film will:

Category: Procedures-11 For a single-contrast UGI examination with the patient recumbent, which projection produces the best image of a barium-filled pyloric canal and duodenal bulb in patients whose body habitus approximates the sthenic type?

Category: Image Production-40 Choose the pathologic conditions that are likely to result in a decrease in exposure: Osteolytic metastasis Sclerosis Osteoporosis Congestive heart failure Cirrhosis